/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.syncope.client.console.rest;
  
  import com.fasterxml.jackson.core.type.TypeReference;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.json.JsonMapper;
  import com.fasterxml.jackson.databind.module.SimpleModule;
  import java.io.InputStream;
  import java.util.List;
  import javax.ws.rs.core.MediaType;
  import javax.ws.rs.core.Response;
  import org.apache.cxf.jaxrs.client.WebClient;
  import org.apache.syncope.client.console.SyncopeWebApplication;
  import org.apache.syncope.common.keymaster.client.api.model.NetworkService;
  import org.apache.syncope.common.lib.AMSession;
  
  public final class WASessionRestClient extends AMSessionRestClient {
  
      private static final long serialVersionUID = 22118820292494L;
  
      protected static final JsonMapper MAPPER = JsonMapper.builder().
              addModule(new SimpleModule().addDeserializer(AMSession.class, new AMSessionDeserializer())).build();
  
      public WASessionRestClient(final List<NetworkService> instances) {
          super(instances);
      }
  
      @Override
      protected String getActuatorEndpoint() {
          return instances.get(0).getAddress() + "actuator/ssoSessions";
      }
  
      @Override
      public List<AMSession> list() {
          try {
              Response response = WebClient.create(
                      getActuatorEndpoint(),
                      SyncopeWebApplication.get().getAnonymousUser(),
                      SyncopeWebApplication.get().getAnonymousKey(),
                      null).
                      accept(MediaType.APPLICATION_JSON_TYPE).get();
              if (response.getStatus() == Response.Status.OK.getStatusCode()) {
                  JsonNode node = MAPPER.readTree((InputStream) response.getEntity());
                  if (node.has("activeSsoSessions")) {
                      return MAPPER.readValue(MAPPER.treeAsTokens(node.get("activeSsoSessions")), new TypeReference<>() {
                      });
                  }
              } else {
                  LOG.error("Unexpected response for SSO Sessions from {}: {}",
                          getActuatorEndpoint(), response.getStatus());
              }
          } catch (Exception e) {
              LOG.error("Could not fetch SSO Sessions from {}", getActuatorEndpoint(), e);
          }
  
          return List.of();
      }
  }